997042127 has 8 divisors (see below), whose sum is σ = 1032493440. Its totient is φ = 961662240.

The previous prime is 997042087. The next prime is 997042139. The reversal of 997042127 is 721240799.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 997042127 - 2²⁴ = 980264911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997042147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11393 + ... + 46085.

It is an arithmetic number, because the mean of its divisors is an integer number (129061680).

Almost surely, 2^997042127 is an apocalyptic number.

997042127 is a deficient number, since it is larger than the sum of its proper divisors (35451313).

997042127 is a wasteful number, since it uses less digits than its factorization.

997042127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35713.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 997042127 is about 31575.9738883855. The cubic root of 997042127 is about 999.0130686202.

The spelling of 997042127 in words is "nine hundred ninety-seven million, forty-two thousand, one hundred twenty-seven".